I'd like to live for about 300-500 years, but immortal? Nah. Even 1000 would be too many for me. Even if one didn't physically age, there's always gravity, and 1000 years of plastic surgery to fix the sags would get rather annoying.
I nominate Bruce Campbell, the actor, and Sam Rami, the director. Evil Dead #4026 coming to a theater near you!